AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 250 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2023. The put-call ratio across all filers is 1.02 and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q2 2023 | $260,167 | -21.7% | 4,527 | -48.9% | 0.03% | -25.6% |
Q1 2023 | $332,437 | +28.1% | 8,865 | -4.3% | 0.04% | +14.7% |
Q4 2022 | $259,465 | -6.7% | 9,260 | -6.3% | 0.03% | -17.1% |
Q3 2022 | $278,000 | -19.0% | 9,878 | +0.3% | 0.04% | -14.6% |
Q2 2022 | $343,000 | +0.3% | 9,846 | +3.3% | 0.05% | +14.3% |
Q1 2022 | $342,000 | +53.4% | 9,535 | -0.3% | 0.04% | +44.8% |
Q4 2021 | $223,000 | -7.5% | 9,565 | -20.0% | 0.03% | -19.4% |
Q2 2021 | $241,000 | +10.6% | 11,949 | +0.3% | 0.04% | -37.9% |
Q1 2021 | $218,000 | -6.4% | 11,913 | +2.8% | 0.06% | -7.9% |
Q4 2020 | $233,000 | – | 11,592 | – | 0.06% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
LAM GROUP, INC. | 130,250 | $3,649,605 | 3.75% |
SHAKER INVESTMENTS LLC/OH | 81,287 | $2,277,662 | 1.41% |
Mesirow Institutional Investment Management, Inc. | 374,414 | $10,491,080 | 1.38% |
OBERWEIS ASSET MANAGEMENT INC/ | 134,000 | $3,754,680 | 0.80% |
Portolan Capital Management | 270,791 | $7,587,564 | 0.75% |
Hillsdale Investment Management Inc. | 172,238 | $4,826,109 | 0.41% |
Capital Impact Advisors, LLC | 14,669 | $411,025 | 0.40% |
Watershed Asset Management, L.L.C. | 9,555 | $267,731 | 0.34% |
Quantedge Capital Pte Ltd | 35,153 | $984,987 | 0.33% |
FEDERATED HERMES, INC. | 3,284,217 | $92,023,760 | 0.25% |